18537728

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 41942880

約数和(自身を除く): 23405152

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 227, 232, 256, 319, 352, 454, 464, 638, 704, 908, 928, 1276, 1408, 1816, 1856, 2497, 2552, 2816, 3632, 3712, 4994, 5104, 6583, 7264, 7424, 9988, 10208, 13166, 14528, 19976, 20416, 26332, 29056, 39952, 40832, 52664, 58112, 72413, 79904, 81664, 105328, 144826, 159808, 210656, 289652, 319616, 421312, 579304, 639232, 842624, 1158608, 1685248, 2317216, 4634432, 9268864, 18537728]

約数ペア:

[(1, 18537728), (2, 9268864), (4, 4634432), (8, 2317216), (11, 1685248), (16, 1158608), (22, 842624), (29, 639232), (32, 579304), (44, 421312), (58, 319616), (64, 289652), (88, 210656), (116, 159808), (128, 144826), (176, 105328), (227, 81664), (232, 79904), (256, 72413), (319, 58112), (352, 52664), (454, 40832), (464, 39952), (638, 29056), (704, 26332), (908, 20416), (928, 19976), (1276, 14528), (1408, 13166), (1816, 10208), (1856, 9988), (2497, 7424), (2552, 7264), (2816, 6583), (3632, 5104), (3712, 4994)]